The post Measuring Tank Levels with Differential Pressure Transmitters first appeared on the ISA Interchange blog site.
Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for information about the CCST program. This question is from the Level I study guide, Domain 1, Calibration. Level I represents a professional who has a five-year total of education, training, and/or experience.
The span, in inches of water, of a differential pressure transmitter used to measure the full level of a tank that is 5 feet, 6 inches high and contains a process material with a specific gravity of 0.9 should be:
e) none of the above
Source: ISA News